AC Infinity CLOUDLINE S6 Quiet Inline Mixed-Flow Duct Fan 6"

Versatile 6-Inch Flagship EC Inline Ventilation Fan with 10-Speed Controller

The industry standard for medium-sized grow tents (3×3 ft up to 4×4 ft), the AC Infinity CLOUDLINE S6 balances high static pressure, high volume airflow, and whisper-quiet operation. Powered by a high-efficiency digitally controlled PWM EC motor, the S6 delivers 402 CFM (683 m³/h) of airflow while pulling an ultra-efficient average of just 38 Watts.

Operating at a near-silent sound level of just 32 dBA, the S6 eliminates motor hum and electrical whine even under heavy workloads. Its mixed-flow impeller, stator blades, and hydrodynamic wind circles generate 503 Pa of static pressure to easily force air through thick carbon filters, light traps, and long duct runs. Fitted with a wired 10-speed digital controller and native UIS™ ecosystem connectivity, the CLOUDLINE S6 connects directly into smart controllers like CONTROLLER 69 for total app-based climate automation, dynamic scheduling, and VPD triggers.

What Makes It Stand Out

• High-Efficiency 402 CFM Airflow: Delivers ideal air displacement (683 m³/h) to maintain complete climate and moisture control in 3×3 ft and 4×4 ft setups.
• Near-Silent 32 dBA Performance: Advanced PWM-controlled EC motor provides smooth, quiet operation without heat buildup or motor hum across all 10 speed settings.
• High Static Pressure Mixed-Flow Impeller: Stator blades push air cleanly through restrictive carbon filter beds, ducting turns, and noise silencers (503 Pa static pressure).
• 10-Speed Digital Controller Included: Offers precise airflow tuning with power-loss memory retention that automatically restores your fan speed setting.
• Native UIS™ Ecosystem Connectivity: Connects directly into AC Infinity smart controllers for Wi-Fi/Bluetooth mobile app control, environmental triggers, and VPD automation.
• Easy-Clean Removable Motor Hub: The central motor box unclips from the mounting frame for quick impeller cleaning without taking down installed ducting.
• 67,000-Hour Rated Industrial Build: Features an IP44 rating against dust and moisture splash, backed by dual ball bearings for vertical or horizontal installation.

Technical Specifications

Real-World Applications

• Standard Grow Tents (3×3 ft & 4×4 ft): The go-to primary exhaust fan for temperature, humidity, and odour control under LED grow lights.
• Active Intake Booster: Delivers fresh, filtered air into high-capacity flowering tents to balance static pressure loads.
• AV Closet & Server Room Cooling: Quietly exhausts heat from media racks, audio equipment cabinets, and server enclosures.